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Science X network 47 US Geological Survey 40 Bureau of Ocean Ener 35
United States Depart 34 Environment & Energy 30 EurekAlert 27
The Associated Press 19 EurekAlert! 10 Science Daily 10
US Geological Survey 10 EurekAlert! - Earth 9 Scientific American 9
us environmental pro 9 US Environmental Pro 8 Scripps Institution 6
World Resources Inst 6 Department of Energy 5 Science 5
Minging.com 4 U.S. Energy Informat 4